Australia had approved the Bougainville mine while Papua New Guinea was still a mandated protectorate, and after Bougainville turned to armed rebellion the mine closed in 1989, leaving a huge mess.
Australia había aprobado la mina en Bougainville cuando Papua Nueva Guinea era un protectorado y, al final, hubo una rebelión armada que provocó el cierre de la mina en 1989, dejando un enorme problema.